Heat-Exchange Elements TRIZ Cases

See how sizing refrigerant circuit volume ≥0.7× compressor displacement suppresses sudden press

See how antioxidants and acid scavengers stabilize methyl perfluoroheptene ether to prevent aci

See how radical inhibitors in fluoroolefin refrigerants prevent oligomerization under abnormal

See how a mixed refrigerant combining R32, HFO-1132(E), R1234ze, and HFO-1132a achieves GWP ≤50

See how automatic vacuum detection and pre-charged refrigerant prevent hydrofluoroolefin degrad

See how a three-component refrigerant blend balances low global warming potential with controll

See how a three-component refrigerant blend using HFO-1132a, R32, and R1234ze achieves GWP ≤500

See how a mixed refrigerant with HFO-1132, R1234yf, and propane suppresses disproportionation w

See how a CO2-fluorocarbon blend achieves GWP ≤1500 and non-flammability while maintaining R404

See how a three-component HFC/HFO refrigerant blend achieves GWP below 2150 while maintaining c

See how a mixed refrigerant composition combining HFOs that undergo and resist disproportionati

See how blending R1123, R32, R125, CF3I, and R1234yf achieves GWP below 1500 while reducing fla

See how a three-component HFO/HFC blend achieves non-flammability, GWP below 150, and glide und

See how limonene, α-terpinene, and other inhibitors prevent fluoroolefin refrigerant degradatio

See how a four-component HFC/HFO blend achieves 97% capacity retention while reducing global wa

See how organic plastic crystals and liquid crystals achieve large cooling effects through pres

See how a four-component HFO-HFC blend achieves drop-in HFC-134a replacement with reduced globa

See how a dish assembly uses phase-change material and induction heating to keep food warm safe

See how a non-azeotropic HFC-32 and R-1234yf blend maintains cooling capacity while reducing gl

See how organic materials near phase transitions enable barocaloric cooling via hydrostatic pre

See how combining unsaturated fluorinated hydrocarbon with high-breakdown-voltage refrigerant o

See how blending two or more lubricants reduces refrigerant solubility, enabling lower viscosit

See how blending HFO refrigerants with R134a and CF3I achieves GWP below 600 while maintaining

See how a six-component refrigerant blend achieves -100°C to -150°C operation while reducing fl

See how a hydrogen fluoride scavenger unit prevents part degradation in refrigeration systems u

See how setting heat source unit design pressure below 1.5× connection pipe rating prevents dam

See how an oxygen adsorption device between evaporator and compressor prevents hydrohaloolefin

See how a composite HFC-32, HFC-125, HFO-1234ze, and HFC-134a refrigerant achieves non-flammabi

See how nano-scale encapsulation with low-energy emulsification reduces bursting, improves ther

See how a polymer-ester oil composition achieves miscibility with difluoromethane refrigerant t

See how blending high- and low-viscosity lubricants reduces refrigerant solubility, maintains b

See how composite refrigerant blends combining azeotropic components reduce temperature glide w

See how ionic liquid-CO2 mixtures enable vapor compression cooling at reduced operating pressur

See how a roller-based thermoelastic cooling system applies compressive stress to extend fatigu

See how propane-isobutene mixtures reduce refrigerant GWP from 1300 to below 3 while maintainin

See how dimethyl ether blended with propylene or propane in specific ratios replaces R134a, red

See how unsaturated ester-based refrigeration oil reacts with hydrogen fluoride from hydrofluor

A propane-butene refrigerant blend cuts GWP below 3 while preserving R134a-like cooling performance with low-cost hydrocarbon feedstocks.

Specific dimethyl ether with propylene or propane blends cut GWP below 1.6 while preserving R134a-like cooling performance.

A blended refrigerant raises critical temperature and reduces flammability, keeping heat pumps stable at high ambient temperatures.

A non-flammable difluoromethane, pentafluoroethane, and tetrafluoropropene blend lowers GWP while holding compressor discharge temperature.

High-propylene refrigerant blends cut GWP and cost while preserving cooling performance and mineral oil compatibility in R404A-class systems.

Propylene-rich refrigerant blends replace R404A, R507A, and R407C with lower GWP, lower cost, mineral oil compatibility, and strong cooling performance.

Pre-adjusting HFC-32 in HFO-1234ze(E) blends limits transfer-induced composition drift, preserving refrigerant performance and flammability safety.

A low-GWP HFO working fluid paired with a specified refrigerant oil preserves compressor lubricity and stability under heat and compression.

Pressure-triggered valve control verifies vacuum during split AC installation, preventing HFO refrigerant decomposition and leakage.

A tuned HFC-125/HFC-134a/R600 blend replaces HCFC-22 with zero ODP, good oil return, non-flammability, and strong low-temperature capacity.